metadataengine/client/src/mdeboolpropertycondition.cpp
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     1 /*
       
     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). 
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description:  Property conditions for boolean property values
       
    15 *
       
    16 */
       
    17 
       
    18 #include "mdeboolpropertycondition.h"
       
    19 #include "mdcserializationbuffer.h"
       
    20 #include "mdepropertydef.h"
       
    21 #include "mdcquery.h"
       
    22 
       
    23 
       
    24 	/* Constructors and destructor. */
       
    25 CMdEBoolPropertyCondition* CMdEBoolPropertyCondition::NewL( 
       
    26 		const CMdEPropertyDef& aPropertyDef, TBool aValue )
       
    27 	{
       
    28 	CMdEBoolPropertyCondition* self = CMdEBoolPropertyCondition::NewLC( aPropertyDef, aValue );
       
    29 	CleanupStack::Pop( self );
       
    30 	return self;
       
    31 	}
       
    32 
       
    33 
       
    34 CMdEBoolPropertyCondition* CMdEBoolPropertyCondition::NewLC( 
       
    35 		const CMdEPropertyDef& aPropertyDef, TBool aValue )
       
    36 	{
       
    37 	CMdEBoolPropertyCondition* self = new ( ELeave ) CMdEBoolPropertyCondition( aPropertyDef, aValue );
       
    38 	CleanupStack::PushL( self );
       
    39 	self->ConstructL();
       
    40 	return self;
       
    41 	}
       
    42 
       
    43 CMdEBoolPropertyCondition::CMdEBoolPropertyCondition(const CMdEPropertyDef& aPropertyDef, TBool aValue)
       
    44         : CMdEPropertyCondition(EConditionTypePropertyBool, aPropertyDef), iValue(aValue)
       
    45     {
       
    46     }
       
    47 
       
    48 
       
    49 void CMdEBoolPropertyCondition::ConstructL()
       
    50     {
       
    51     // Base class construction.
       
    52     CMdEPropertyCondition::ConstructL();
       
    53     }
       
    54     
       
    55 
       
    56 CMdEBoolPropertyCondition::~CMdEBoolPropertyCondition()
       
    57     {
       
    58     }
       
    59 
       
    60 
       
    61 EXPORT_C TBool CMdEBoolPropertyCondition::Value() const
       
    62     {
       
    63     return iValue;
       
    64     }
       
    65 
       
    66 TUint32 CMdEBoolPropertyCondition::InternalQueryOptimizationFlags(TUint32& aFlags)
       
    67 	{
       
    68 	return CMdEPropertyCondition::InternalQueryOptimizationFlags(aFlags);
       
    69 	}
       
    70 
       
    71 TUint32 CMdEBoolPropertyCondition::RequiredBufferSize() const
       
    72 	{
       
    73 	// Required size for property condition
       
    74 	TUint32 bufferSize = sizeof( TMdCPropertyCondition );
       
    75 
       
    76 	//Required size for bool value (coverted to TUint8)
       
    77 	bufferSize += CMdCSerializationBuffer::KRequiredSizeForTBool;
       
    78 
       
    79 	return bufferSize;
       
    80 	}
       
    81 
       
    82 void CMdEBoolPropertyCondition::SerializeL(CMdCSerializationBuffer& aBuffer,
       
    83 		TMdCOffset& aFreespaceOffset) const
       
    84 	{
       
    85 	TMdCPropertyCondition property;
       
    86 
       
    87 	property.iConditionType = iType;
       
    88 	property.iNegated = iNegated;
       
    89 	property.iObjectDefId = iPropertyDef.ObjectDefId();
       
    90 	property.iPropertyDefId = iPropertyDef.Id();
       
    91 	property.iCondition = aBuffer.Position() + sizeof( TMdCPropertyCondition );
       
    92 
       
    93 	property.SerializeL( aBuffer );
       
    94 
       
    95 	aBuffer.InsertL( iValue );
       
    96 
       
    97 	aFreespaceOffset = aBuffer.Position();
       
    98 	}